2022 GMC Terrain — Full Specifications
As an Amazon Associate and CJ Affiliate and AWIN publisher we earn from qualifying purchases. Links below are affiliate links.
Running gear matters most — before anything else, UK: check tyre prices at TirendoUS: check wheel & tyre prices at WheelHero for this car's fitment.
The 2022 GMC Terrain is an SUV powered by a 1.5L 4-cyl turbo regular gasoline engine. Its most fuel-efficient configuration returns around 32 mpg (UK) / 27 mpg (US EPA) combined, with 31–32 mpg (UK) across all configurations. Owners often keep a GMC Terrain workshop manual to hand for servicing and repairs.
Compared with the 2021 GMC Terrain: Fuel economy is essentially unchanged at around 32 mpg (UK) combined. The engine line-up listed by EPA is unchanged. It carries the same 5★ overall NHTSA rating. EPA passenger volume changes from 90 to 104 cu ft.
Full Specifications
| Engine | 1.5L 4-cyl turbo |
|---|---|
| Transmission | Automatic 9-spd |
| Fuel Type | Regular Gasoline |
| Powertrain | Conventional |
| Drive | Front-Wheel Drive |
| Body Style | SUV |
| Length | 4707 mm |
| Height | 1684 mm |
| Passenger Volume (EPA) | 104 cu ft (2,945 L) |
| Luggage Volume (EPA) | 30 cu ft (850 L) |
| Fuel Economy (UK) | 32 combined / 30 urban / 36 extra-urban mpg |
| Fuel Economy (US EPA) | 27 combined / 25 city / 30 highway mpg |
| CO₂ Emissions | 205 g/km |
| EPA Greenhouse Gas Score | 6 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $2,500 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 2 configurations for the 2022 GMC Terrain, all with the 1.5L 4-cyl turbo engine. Combined fuel economy ranges from 26 to 27 mpg (US), or 31 to 32 mpg (UK), depending on engine, transmission and drive. The headline figures at the top of this page describe the most fuel-efficient configuration.
| Engine | Transmission | Drive | MPG (UK) | MPG (US) | CO₂ g/km | Fuel cost / yr |
|---|---|---|---|---|---|---|
| 1.5L 4-cyl turbo | Automatic 9-spd | All-Wheel Drive | 31 | 26 (25/28) | 213 | $2,600 |
| 1.5L 4-cyl turbo | Automatic 9-spd | Front-Wheel Drive | 32 | 27 (25/30) | 205 | $2,500 |
MPG (US) shows combined, with city/highway in brackets. Highlighted row = the configuration used for the headline figures. Source: US EPA fueleconomy.gov.
EPA measures interior passenger volume at 104 cubic feet (about 2,945 litres) and luggage volume at 30 cubic feet (about 850 litres). These are US EPA interior-volume figures; they are measured differently from the boot capacity numbers UK manufacturers quote.
Owner Essentials for the 2022 GMC Terrain
Running Costs: 2022 GMC Terrain
Covering around 8,000 miles a year in a 2022 GMC Terrain at 32 mpg combined, expect roughly 1,136 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $2,500 a year in fuel for the most efficient configuration (15,000 miles, national average prices). Work out exact fuel costs with the fuel cost calculator on 247Calculators.
Convert between MPG and L/100km with the unit converters on 247QuickTools. Not sure what tyre size fits? 247TyreCheck explains tyre sizing.
Planning a road trip? Grab a road trip packing list. Only need this car occasionally? See our buy vs rent comparison.
2022 GMC Terrain Safety Ratings (NHTSA)
Recalls & Owner Complaints (NHTSA)
NHTSA lists 2 safety recall campaigns that include the 2022 GMC Terrain (as of 6 October 2026). Most affected areas: Child seat (1), Seats (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
- Child seat — campaign 23V339000, reported 11 May 2023. Risk: The inability to install a child seat with the LATCH anchorage bars could result in an unsecured child seat, increasing the risk of injury in a crash.
- Seats — campaign 22V724000, reported 29 September 2022. Risk: A seat with a missing or loose bolt may not properly restrain the occupant in a crash, increasing the risk of injury.
Owners have filed 88 complaints with NHTSA about the 2022 GMC Terrain. The most-reported areas are Fuel/propulsion system (32), Unspecified (14), Fuel system (14). That is well below the median of 185 complaints across the 17 GMC Terrain model years in our data.
Used-buyer checklist for the 2022 GMC Terrain
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Fuel system (46 owner complaints) — Ask whether any fuel-pump or fuel-system recalls were completed, and watch for hard starting or stalling.
- Engine (13 owner complaints) — Listen for unusual noise on a cold start, check for warning lights and ask for the service records.
- Seats (1 recall campaign) — Check seat adjusters, head restraints and seat-mounted sensors work, and confirm seat recalls were completed.
Source: US NHTSA recall and consumer-complaint databases, retrieved 6 October 2026. Complaints are unverified owner reports, not confirmed defects. Check any vehicle by VIN at nhtsa.gov/recalls, and see our guide to checking a used car for recalls.
How It Compares
How does the GMC Terrain compare to similar SUVs? For context, SUVs in our database average around 27 mpg (UK) combined — this model's 32 mpg figure is 5 mpg better than that average. Its 205 g/km CO₂ figure is 48 g/km lower than the 253 g/km average for SUVs on this site. This comparison is based on 1824 SUVs in our dataset.
GMC models in our database average about 26 mpg (UK) combined on their most efficient configuration; the 2022 GMC Terrain's 32 mpg is 6 mpg above that make average. Its 205 g/km CO₂ figure is 67 g/km lower than the 272 g/km GMC average.
Of the 17 GMC Terrain model years we cover, the 2022 ranks 3rd for combined fuel economy on its best configuration (32 mpg UK combined, against a high of 38 mpg). See every GMC Terrain year side by side.
Last updated: · Data: US EPA (fueleconomy.gov) and NHTSA safety ratings 18 July 2026; NHTSA recalls and complaints 6 October 2026; Wikidata & curated EU catalogue 18 July 2026; European generation and engine data from Wikipedia 7 October 2026
Vehicle data sourced from manufacturer specifications. Always verify with your vehicle handbook or a qualified mechanic. This is a reference tool, not professional advice.
Recommended Accessories for the 2022 GMC Terrain
Frequently Asked Questions
What engine does the 2022 GMC Terrain have?
It's fitted with a 1.5L 4-cyl turbo regular gasoline engine, paired with a automatic 9-spd transmission.
What is the fuel economy of the 2022 GMC Terrain?
The most efficient configuration returns around 32 mpg (UK) combined, or 27 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 31 to 32 mpg.
How much does the 2022 GMC Terrain cost to fuel per year?
The US EPA estimates about $2,500 a year in fuel for the most efficient configuration, based on 15,000 miles of mixed driving and national average fuel prices. Your own cost will depend on mileage and local prices.
Does the 2022 GMC Terrain have a good safety rating?
It holds an overall NHTSA rating of 5 stars, with 5 stars for frontal crash protection.
Does the 2022 GMC Terrain have any recalls?
NHTSA lists 2 safety recall campaigns that include the 2022 GMC Terrain (as of 6 October 2026). Most affected areas: Child seat (1), Seats (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
What are the most common problems reported for the 2022 GMC Terrain?
Among the 88 owner complaints filed with NHTSA, the most-reported areas are Fuel/propulsion system (32 complaints), Unspecified (14 complaints), Fuel system (14 complaints). Complaints are unverified owner reports, not confirmed defects, and raw counts rise with how many cars were sold.
How much interior and luggage space does the 2022 GMC Terrain have?
EPA measures interior passenger volume at 104 cubic feet (about 2,945 litres) and luggage volume at 30 cubic feet (about 850 litres). These are US EPA interior-volume figures, which are measured differently from the UK boot-capacity numbers manufacturers quote.
Is the GMC Terrain's fuel economy good for an SUV?
Yes — it returns around 32 mpg (UK) combined, against a same-body-style average of roughly 27 mpg among the SUVs we track, making it one of the more efficient options in its class.